I'm having the exact issue described in this StackOverflow post
http://stackoverflow.com/questions/20595889/flex-tabnavigator-null-object-issue
Is it unreasonable to think that at some point line 903 could include a
check for the existence of the focusManager or whatever the right way is to
handle this error?
override protected function keyDownHandler(event:KeyboardEvent):void
{
if (*focusManager && *focusManager.getFocus() == this)
{
// Redispatch the event from the TabBar so that it can handle it.
tabBar.dispatchEvent(event);
}
}
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